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Viewing File: /home/vanquishholdings/public_html/src/vendor/coingate/coingate-php/lib/HttpClient/CurlClient.php
<?php
namespace CoinGate\HttpClient;
use CoinGate\Exception\ApiConnectionException;
use CoinGate\Exception\UnexpectedValueException;
class CurlClient implements ClientInterface
{
public const DEFAULT_TIMEOUT = 60;
public const DEFAULT_CONNECT_TIMEOUT = 20;
/**
* @var int
*/
private $timeout = self::DEFAULT_TIMEOUT;
/**
* @var int
*/
private $connectTimeout = self::DEFAULT_CONNECT_TIMEOUT;
/**
* @var array<int, mixed>|callable|null
*/
protected $defaultOptions;
/**
* singleton object
*
* @var self|null
*/
protected static $instance = null;
/**
* @return self
*/
public static function instance(): self
{
if (! static::$instance) {
static::$instance = new self();
}
return static::$instance;
}
/**
* @param array<int, mixed>|callable|null $defaultOptions
*/
public function __construct($defaultOptions = null)
{
$this->defaultOptions = $defaultOptions;
}
/**
* @return array<int, mixed>|callable|null
*/
public function getDefaultOptions()
{
return $this->defaultOptions;
}
/**
* @param int $seconds
* @return $this
*/
public function setTimeout(int $seconds): self
{
$this->timeout = max($seconds, 0);
return $this;
}
/**
* @param int $seconds
* @return $this
*/
public function setConnectTimeout(int $seconds): self
{
$this->connectTimeout = max($seconds, 0);
return $this;
}
/**
* @return int
*/
public function getTimeout(): int
{
return $this->timeout;
}
/**
* @return int
*/
public function getConnectTimeout(): int
{
return $this->connectTimeout;
}
/**
* @param string $method
* @param string $absUrl
* @param string[] $headers
* @param array<string, string> $params
* @return array<array|mixed>
*/
private function getRequestOptions(string $method, string $absUrl, array $headers = [], array $params = []): array
{
$method = strtolower($method);
$options = [];
// -------------------------------------------------
// -------------------------------------------------
if (is_callable($this->defaultOptions)) {
$options = call_user_func_array($this->defaultOptions, func_get_args());
if (! is_array($options)) {
throw new UnexpectedValueException('Non-array value returned by defaultOptions CurlClient callback');
}
} elseif (is_array($this->defaultOptions)) {
$options = $this->defaultOptions;
}
// -------------------------------------------------
// -------------------------------------------------
if ($method === 'get') {
$options[CURLOPT_HTTPGET] = 1;
if (! empty($params)) {
$absUrl = $absUrl . '?' . http_build_query($params);
}
} elseif (in_array($method, ['patch', 'post'])) {
$options[CURLOPT_POST] = 1;
$options[CURLOPT_POSTFIELDS] = http_build_query($params);
if ($method === 'patch') {
$options[CURLOPT_CUSTOMREQUEST] = 'PATCH';
}
} elseif ($method === 'delete') {
$options[CURLOPT_CUSTOMREQUEST] = 'DELETE';
if (! empty($params)) {
$absUrl = $absUrl . '?' . http_build_query($params);
}
} else {
throw new UnexpectedValueException("Unrecognized method $method");
}
$options[CURLOPT_URL] = $absUrl;
$options[CURLOPT_RETURNTRANSFER] = true;
$options[CURLOPT_CONNECTTIMEOUT] = $this->connectTimeout;
$options[CURLOPT_TIMEOUT] = $this->timeout;
$options[CURLOPT_HTTPHEADER] = $headers;
$options[CURLOPT_IPRESOLVE] = CURL_IPRESOLVE_V4;
$options[CURLOPT_SSL_VERIFYPEER] = true;
return [$options, $absUrl];
}
/**
* @param string $method
* @param string $absUrl
* @param string[] $headers
* @param array<string, string> $params
* @return array<string|mixed>
*
* @throws ApiConnectionException
*/
public function request(string $method, string $absUrl, array $headers = [], array $params = []): array
{
[$options, $absUrl] = $this->getRequestOptions($method, $absUrl, $headers, $params);
// ---------------------------------------------------------
// ---------------------------------------------------------
// ---------------------------------------------------------
// create a new cURL resource
$ch = curl_init();
// set URL and other appropriate options
curl_setopt_array($ch, $options);
$responseBody = curl_exec($ch);
// if empty response body received, check for errors...
if ($responseBody === false) {
$errno = curl_errno($ch);
$message = curl_error($ch);
$this->handleCurlError($absUrl, $errno, $message);
}
$responseCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
// close cURL resource, and free up system resources
curl_close($ch);
return [$responseBody, $responseCode];
}
/**
* @param string $url
* @param int $errno
* @param string $message
* @return void
*
* @throws ApiConnectionException
*/
private function handleCurlError(string $url, int $errno, string $message)
{
switch ($errno) {
case CURLE_COULDNT_CONNECT:
case CURLE_COULDNT_RESOLVE_HOST:
case CURLE_OPERATION_TIMEOUTED:
$response = "Could not connect to CoinGate ($url). "
. "Please check your internet connection and try again. ";
break;
case CURLE_SSL_CACERT:
case CURLE_SSL_PEER_CERTIFICATE:
$response = "Could not verify CoinGate's SSL certificate. "
. "Please make sure that your network is not intercepting certificates. "
. "(Try going to $url in your browser.) ";
break;
default:
$response = "Unexpected error communicating with CoinGate. ";
}
$response .= 'If this problem persists, let us know at https://support.coingate.com.';
$response .= "\n\n(Network error [errno $errno]: $message)";
throw new ApiConnectionException($response);
}
}
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